/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.kingtone.rongji.fragment;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.kingtone.rongji.R;

public class StackFragment extends BaseFragment {
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ProfileFragment newFragment = new ProfileFragment();
        newFragment.setStackFragment(this);
        FragmentTransaction ft = this.getChildFragmentManager().beginTransaction();
        ft.add(R.id.childContent, newFragment).commit();
    }

    @Override
	public void onPause() {
		super.onPause();
		FragmentManager fm = getChildFragmentManager();
        if (fm.getBackStackEntryCount() > 0) {
            fm.popBackStack(fm.getBackStackEntryAt(0).getId(),
                    FragmentManager.POP_BACK_STACK_INCLUSIVE);
        }
	}
    
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_stack, container, false);
    }
    
    protected void addFragmentToStack(Fragment newFragment) {
        FragmentTransaction ft = getChildFragmentManager().beginTransaction();
        ft.replace(R.id.childContent, newFragment);
        ft.addToBackStack(null);
        ft.commit();
    }

	@Override
	public boolean onBackPressed() {
		// TODO Auto-generated method stub
		FragmentManager fm = getChildFragmentManager();
		if (fm.getBackStackEntryCount() == 0) {
            return false;
        }
		else
		{
			fm.popBackStack();
		}
		return true;
	}
}
